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Technics SU-V7K

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Technic details

Specifications

Type:
Integrated DC Amplifier
Effective output (20Hz to 20kHz):
80W + 80W (4Ω, 0.007%)
80W + 8 W (8Ω, 0.003%)
Total harmonic distortion:
0.003% (rated output -3dB, 20Hz to 20kHz)
Frequency response (Straight DC):
20 Hz - 20 kHz, +0 -0.2dB
0.5 Hz to 170 kHz, +0 -3dB

Power Bandwidth:
5Hz to 100kHz (THD 0.02%)
S / N ratio:
100dB (IHF-A, straight DC)
Residual noise (Straight DC):
550μV
Damping factor:
(8Ω) 60
Load impedance:
Main or remote: 4Ω to 16Ω
Main and remote: 8Ω to 16Ω
Input sensitivity / impedance:
Phono MM - 2.5mV / 47kΩ
Phono MC - 170μV / 220Ω
Tuner, Aux, Tape - 150mV / 27kΩ
Phono maximum allowable input:
MM - 150mV (1kHz, RMS, THD 0.01%)
MC - 10mV (1kHz, RMS, THD 0.01%)
Total harmonic distortion ratio of pre part Phono MM → Rec out (5V):
0.005%
Phono S / N ratio:
MM - 86dB
MC - 68dB (250μV input)
Phono frequency characteristic:
20Hz to 20kHz, RIAA ±0.5dB
Tone control:
Bass - ±10dB (50Hz)
Treble - ±10dB (20kHz)
Filters:
High - 7kHz, -6dB / oct.
Subsonic - 20Hz, -12dB / oct.
Loudness control:
+9dB (50Hz, Volume - 30dB)
Pre-section output voltage:
Rec out - 150mV

Power supply:
AC 100V, 50Hz / 60Hz
Power consumption:
140W
Dimensions (W x H x D):
430 x 120 x 362mm
Weight:
9.5kg
Year:
1980

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